What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from Austin according to our data. American Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

How many flights depart from Austin to Florida Keys on average per week?

As of July 2025, 77 flights take off from Austin and land in Florida Keys each week. The most common flight departure day for this route is Thu, with 23% of weekly flights taking off on this day.

What is the cheapest airline that flies from Austin Bergstrom to Florida Keys?

Frontier, American Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Florida Keys

When did momondo last update prices for flights from Austin Bergstrom Airport to Florida Keys?

Prices for flights from Austin Bergstrom Airport to Florida Keys were last updated today.

How many operators does momondo search for flights from Austin Bergstrom Airport to Florida Keys?

There are 6 operators available for flights from Austin Bergstrom Airport to Florida Keys as of July 2025.

How old do you have to be to fly from Austin Bergstrom Airport to Florida Keys?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$42 Cheap Flights from Austin to Florida Keys in 2025

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Find the cheapest flights from Austin to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:03 pm - 11:00 pmAUS-MIA

2h 57mnonstop

4:04 pm - 6:08 pmMIA-AUS

3h 04mnonstop

$82Frontier

Find Deal

Sun, Sep 7 - Sun, Sep 14

5:55 pm - 9:50 pmAUS-MIA

2h 55mnonstop

3:59 pm - 6:03 pmMIA-AUS

3h 04mnonstop

$91Frontier

Find Deal

Sun, Aug 31 - Thu, Sep 4

6:20 pm - 10:09 pmAUS-MIA

2h 49mnonstop

8:29 am - 10:31 amMIA-AUS

3h 02mnonstop

$145American Airlines

Find Deal

Fri, Sep 5 - Mon, Sep 8

5:14 am - 9:07 amAUS-MIA

2h 53mnonstop

8:29 am - 10:31 amMIA-AUS

3h 02mnonstop

$146American Airlines

Find Deal

Thu, Sep 25 - Sun, Sep 28

1:35 pm - 5:25 pmAUS-MIA

2h 50mnonstop

8:00 am - 9:55 amMIA-AUS

2h 55mnonstop

$159Southwest

Find Deal

Thu, Aug 21 - Mon, Aug 25

3:00 pm - 9:10 pmAUS-MIA

5h 10m1 stop

8:00 am - 9:55 amMIA-AUS

2h 55mnonstop

$162Southwest

Find Deal

Wed, Sep 3 - Fri, Sep 5

6:51 pm - 10:31 pmAUS-MIA

2h 40mnonstop

11:07 am - 7:43 pmMIA-AUS

9h 36m1 stop

$172

Find Deal

Thu, Nov 13 - Sun, Nov 16

10:48 am - 2:31 pmAUS-MIA

2h 43mnonstop

11:07 am - 7:43 pmMIA-AUS

9h 36m1 stop

$193

Find Deal

Mon, Dec 15 - Wed, Dec 17

1:28 pm - 8:12 pmAUS-EYW

5h 44m1 stop

6:20 pm - 12:18 amEYW-AUS

6h 58m1 stop

$259Delta

Find Deal

Fri, Aug 22 - Mon, Aug 25

11:47 am - 8:12 pmAUS-EYW

7h 25m1 stop

7:00 am - 1:47 pmEYW-AUS

7h 47m1 stop

$260Delta

Find Deal

Sat, Aug 16 - Sat, Aug 23

American Airlines flights from Austin to Florida Keys

Our best American Airlines deals on Austin to Florida Keys flight tickets

American Airlines

Sep 5

AUS6:20 pmAustin Bergstrom

2h 49m

MIA10:09 pmMiami

Sep 8

MIA8:29 amMiami

3h 02m

AUS10:31 amAustin Bergstrom

$145

Find similar

American Airlines

Sep 25

AUS5:14 amAustin Bergstrom

2h 53m

MIA9:07 amMiami

Sep 28

MIA8:29 amMiami

3h 02m

AUS10:31 amAustin Bergstrom

$146

Find similar

American Airlines

Aug 23

AUS6:18 pmAustin Bergstrom

2h 47m

MIA10:05 pmMiami

Aug 30

MIA10:17 pmMiami

2h 56m

AUS12:13 amAustin Bergstrom

$152

Find similar

Frontier flights from Austin to Florida Keys

Our best Frontier deals on Austin to Florida Keys flight tickets

Frontier

Sep 7

AUS7:03 pmAustin Bergstrom

2h 57m

MIA11:00 pmMiami

Sep 14

MIA4:04 pmMiami

3h 04m

AUS6:08 pmAustin Bergstrom

$82

Find similar

Frontier

Aug 31

AUS5:55 pmAustin Bergstrom

2h 55m

MIA9:50 pmMiami

Sep 4

MIA3:59 pmMiami

3h 04m

AUS6:03 pmAustin Bergstrom

$91

Find similar

Frontier

Sep 18

AUS7:03 pmAustin Bergstrom

2h 57m

MIA11:00 pmMiami

Sep 22

MIA3:59 pmMiami

3h 04m

AUS6:03 pmAustin Bergstrom

$92

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sun 9/7

7:03 pm-11:00 pm

Nonstop2h 57m

Miami

Sun 9/14

4:04 pm-6:08 pm

Nonstop3h 04m

$82

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sun 8/31

5:55 pm-9:50 pm

Nonstop2h 55m

Miami

Thu 9/4

3:59 pm-6:03 pm

Nonstop3h 04m

$91

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 9/5

6:20 pm-10:09 pm

Nonstop2h 49m

Miami

Mon 9/8

8:29 am-10:31 am

Nonstop3h 02m

$145

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 9/25

5:14 am-9:07 am

Nonstop2h 53m

Miami

Sun 9/28

8:29 am-10:31 am

Nonstop3h 02m

$146

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 8/21

1:35 pm-5:25 pm

Nonstop2h 50m

Miami

Mon 8/25

8:00 am-9:55 am

Nonstop2h 55m

$159

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Wed 9/3

3:00 pm-9:10 pm

1 stop5h 10m

Miami

Fri 9/5

8:00 am-9:55 am

Nonstop2h 55m

$162

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 11/13

6:51 pm-10:31 pm

Nonstop2h 40m

Miami

Sun 11/16

11:07 am-7:43 pm

1 stop9h 36m

$172

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Mon 12/15

10:48 am-2:31 pm

Nonstop2h 43m

Miami

Wed 12/17

11:07 am-7:43 pm

1 stop9h 36m

$193

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 8/22

1:28 pm-8:12 pm

1 stop5h 44m

Key West

Mon 8/25

6:20 pm-12:18 am

1 stop6h 58m

$259

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 8/16

11:47 am-8:12 pm

1 stop7h 25m

Key West

Sat 8/23

7:00 am-1:47 pm

1 stop7h 47m

$260

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How to get the cheapest flight ticket from Austin to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Austin averaging around $249.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Austin to Florida Keys is on a Friday when prices can be found for as low as $540. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $603.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the morning. momondo users have found flights departing from Austin to Florida Keys in the morning for as low as $559. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $619.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Austin for as low as $273 on momondo.

Can stopping save me money on Austin to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Austin to Florida Keys.

Cheap Austin to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Florida Keys

Best Price Found	$42
Fastest flight time	2h 40m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Florida Keys	1 airport

The best one-way flight to Florida Keys from Austin in the past 72 hours is $42. The best round-trip flight deal from Austin to Florida Keys found on momondo in the last 72 hours is $82.

The fastest flight from Austin to Florida Keys takes 2h 40m

Direct flights go from Austin to Florida Keys on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Southwest, American Airlines and Frontier.

There is 1 airport near Florida Keys: Miami (MIA)

Search flight deals

When did momondo last update prices for flights from Austin Bergstrom Airport to Florida Keys?
Prices for flights from Austin Bergstrom Airport to Florida Keys were last updated today.
How many operators does momondo search for flights from Austin Bergstrom Airport to Florida Keys?
There are 6 operators available for flights from Austin Bergstrom Airport to Florida Keys as of July 2025.
How old do you have to be to fly from Austin Bergstrom Airport to Florida Keys?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Austin to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from Austin to Florida Keys is Boeing 737 MAX 8, representing 14.47% of all bookings. The subsequent popular models are Boeing 737-800 at 10.92%, Airbus A319 at 9.93%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 9.49%.

Best airlines flying from Austin to Florida Keys

Compare and see reviews for airlines that fly from Austin to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $198	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $208	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Florida Keys?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Florida Keys. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to Florida Keys with flexible booking policies on momondo?

All flight searches from Austin to Florida Keys on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Austin to Florida Keys?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Florida Keys.

I’m not ready to book a flight from Austin to Florida Keys right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Florida Keys from Austin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $39

Flights to Los Angelesfrom $37

Flights to Miamifrom $58

Flights to Chicagofrom $59

Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from Austin to Florida Keys from $42

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Florida Keys departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Austin to Florida Keys

Cheap round-trip flights

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American Airlines flights from Austin to Florida Keys

Our best American Airlines deals on Austin to Florida Keys flight tickets

Frontier flights from Austin to Florida Keys

Our best Frontier deals on Austin to Florida Keys flight tickets

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Use the filters below to find and compare flights from Austin to Florida Keys that are best for you.

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Austin to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Austin averaging around $249.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Austin to Florida Keys is on a Friday when prices can be found for as low as $540. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $603.

What is the cheapest time of day to depart on your flight to Florida Keys?

How far in advance should I book a flight to Florida Keys?

Can stopping save me money on Austin to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Austin to Florida Keys.

What is the cheapest airline that flies from Austin Bergstrom to Florida Keys?

Frontier, American Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Austin to Florida Keys on average per week?

As of July 2025, 77 flights take off from Austin and land in Florida Keys each week. The most common flight departure day for this route is Thu, with 23% of weekly flights taking off on this day.

Cheap Austin to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Florida Keys

Best Price Found

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Austin Bergstrom Airport to Florida Keys?

How many operators does momondo search for flights from Austin Bergstrom Airport to Florida Keys?

How old do you have to be to fly from Austin Bergstrom Airport to Florida Keys?

What documentation or ID do you need to fly to Florida Keys?

What is the most popular plane model from Austin to Florida Keys?

Best airlines flying from Austin to Florida Keys

Compare and see reviews for airlines that fly from Austin to Florida Keys with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Florida Keys?

Can I find flights from Austin to Florida Keys with flexible booking policies on momondo?

How can momondo help me find flights from Austin to Florida Keys?

I’m not ready to book a flight from Austin to Florida Keys right now. Can momondo alert me if prices change?

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo